EKS cluster with VPC and self managed ASG example

typescript/eks/cluster/index.ts

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+import autoscaling = require('@aws-cdk/aws-autoscaling');
+import iam = require('@aws-cdk/aws-iam');
+import ec2 = require('@aws-cdk/aws-ec2');
+import eks = require('@aws-cdk/aws-eks');
+import cdk = require('@aws-cdk/core');
+
+class EKSCluster extends cdk.Stack {
+  constructor(scope: cdk.App, id: string, props?: cdk.StackProps) {
+    super(scope, id, props);
+
+    const vpc = new ec2.Vpc(this, 'EKSVpc');  // Create a new VPC for our cluster
+
+    // IAM role for our EC2 worker nodes
+    const workerRole = new iam.Role(this, 'EKSWorkerRole', {
+      assumedBy: new iam.ServicePrincipal('ec2.amazonaws.com')
+    });
+
+    const eksCluster = new eks.Cluster(this, 'Cluster', {
+      clusterName: id,
+      vpc: vpc,
+      kubectlEnabled: true,  // we want to be able to manage k8s resources using CDK
+      defaultCapacity: 0  // we want to manage capacity our selves
+    });
+
+    const onDemandASG = new autoscaling.AutoScalingGroup(this, 'OnDemandASG', {
+      vpc: vpc,
+      role: workerRole,
+      minCapacity: 1,
+      maxCapacity: 10,
+      instanceType: new ec2.InstanceType('t3.medium'),
+      machineImage: new eks.EksOptimizedImage({
+        kubernetesVersion: '1.14',
+        nodeType: eks.NodeType.STANDARD  // wihtout this, incorrect SSM parameter for AMI is resolved
+      }),
+      updateType: autoscaling.UpdateType.ROLLING_UPDATE
+    });
+
+    eksCluster.addAutoScalingGroup(onDemandASG, {});
+  }
+}
+
+const app = new cdk.App();
+new EKSCluster(app, 'MyEKSCluster');
+app.synth();

typescript/eks/cluster/package.json

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+{
+  "name": "eks-cluster",
+  "version": "1.0.0",
+  "description": "Basic EKS cluster with VPC and self managed AutoScalingGroup",
+  "private": true,
+  "scripts": {
+    "build": "tsc",
+    "watch": "tsc -w",
+    "cdk": "cdk"
+  },
+  "author": {
+    "name": "Andreas Lindh",
+    "url": "https://aws.amazon.com",
+    "organization": true
+  },
+  "license": "Apache-2.0",
+  "devDependencies": {
+    "@types/node": "^8.10.38",
+    "typescript": "^3.2.4"
+  },
+  "dependencies": {
+    "@aws-cdk/aws-autoscaling": "*",
+    "@aws-cdk/aws-ec2": "*",
+    "@aws-cdk/aws-eks": "*",
+    "@aws-cdk/aws-iam": "*",
+    "@aws-cdk/core": "*",
+    "aws-cdk": "*"
+  }
+}

typescript/eks/cluster/tsconfig.json

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+{
+  "compilerOptions": {
+      "target":"ES2018",
+      "module": "commonjs",
+      "lib": ["es2016", "es2017.object", "es2017.string"],
+      "strict": true,
+      "noImplicitAny": true,
+      "strictNullChecks": true,
+      "noImplicitThis": true,
+      "alwaysStrict": true,
+      "noUnusedLocals": true,
+      "noUnusedParameters": true,
+      "noImplicitReturns": true,
+      "noFallthroughCasesInSwitch": false,
+      "inlineSourceMap": true,
+      "inlineSources": true,
+      "experimentalDecorators": true,
+      "strictPropertyInitialization":false
+  }
+}